From patchwork Thu May 7 21:55:32 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: rahasij X-Patchwork-Id: 245310 List-Id: U-Boot discussion From: rahasij at linux.microsoft.com (Ravik Hasija) Date: Thu, 7 May 2020 14:55:32 -0700 Subject: [PATCH] net: tftp: fix progress marker for file transfer Message-ID: <1588888532-88945-1-git-send-email-rahasij@linux.microsoft.com> During packet sequence number wraparound the show_block_marker() API was not called, as a result the progress marker doesn't stay within column boundary. Use position in file instead of sequence number to align the marker. Signed-off-by: Ravik Hasija Reviewed-By: Ramon Fried --- net/tftp.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) diff --git a/net/tftp.c b/net/tftp.c index 34488b76c8..8039694ef2 100644 --- a/net/tftp.c +++ b/net/tftp.c @@ -229,9 +229,11 @@ static void tftp_timeout_handler(void); static void show_block_marker(void) { + ulong pos; + #ifdef CONFIG_TFTP_TSIZE if (tftp_tsize) { - ulong pos = tftp_cur_block * tftp_block_size + + pos = tftp_cur_block * tftp_block_size + tftp_block_wrap_offset; if (pos > tftp_tsize) pos = tftp_tsize; @@ -243,9 +245,11 @@ static void show_block_marker(void) } else #endif { - if (((tftp_cur_block - 1) % 10) == 0) + pos = (tftp_cur_block - 1) + + (tftp_block_wrap * TFTP_SEQUENCE_SIZE); + if ((pos % 10) == 0) putc('#'); - else if ((tftp_cur_block % (10 * HASHES_PER_LINE)) == 0) + else if (((pos + 1) % (10 * HASHES_PER_LINE)) == 0) puts("\n\t "); } } @@ -278,9 +282,8 @@ static void update_block_number(void) tftp_block_wrap++; tftp_block_wrap_offset += tftp_block_size * TFTP_SEQUENCE_SIZE; timeout_count = 0; /* we've done well, reset the timeout */ - } else { - show_block_marker(); } + show_block_marker(); } /* The TFTP get or put is complete */ @@ -514,8 +517,6 @@ static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip, len -= 2; tftp_cur_block = ntohs(*(__be16 *)pkt); - update_block_number(); - if (tftp_state == STATE_SEND_RRQ) debug("Server did not acknowledge timeout option!\n"); @@ -541,6 +542,7 @@ static void tftp_handler(uchar *pkt, unsigned dest, struct in_addr sip, break; } + update_block_number(); tftp_prev_block = tftp_cur_block; timeout_count_max = tftp_timeout_count_max; net_set_timeout_handler(timeout_ms, tftp_timeout_handler);